$AOS
A O Smith Corp Stock $aos

$aos Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-K Financial Statement

#000009114223000025 Filed on February 14, 2023

Income Statement

Concept	2022 Q4	2022
Revenue	$936.1M	$3.754B
YoY Change	-5.97%	6.08%
Cost Of Revenue	$587.5M	$2.424B
YoY Change	-7.47%	8.81%
Gross Profit	$348.6M	$1.330B
YoY Change	-3.33%	1.43%
Gross Profit Margin	37.24%	35.42%
Selling, General & Admin	$168.9M	$670.9M
YoY Change	-8.31%	-4.35%
% of Gross Profit	48.45%	50.46%
Research & Development		$89.00M
YoY Change		-5.52%
% of Gross Profit		6.69%
Depreciation & Amortization	$20.40M	$76.90M
YoY Change	2.51%	-1.28%
% of Gross Profit	5.85%	5.78%
Operating Expenses	$588.1M	$1.096B
YoY Change	231.51%	37.82%
Operating Profit	-$239.5M	$233.1M
YoY Change	-230.73%	-65.82%
Interest Expense	-$3.400M	-$9.400M
YoY Change	142.86%	-318.6%
% of Operating Profit		-4.03%
Other Income/Expense, Net		-$425.6M
YoY Change		-2186.27%
Pretax Income	-$242.9M	$223.7M
YoY Change	-233.61%	-64.24%
Income Tax	-$122.8M	-$12.00M
% Of Pretax Income		-5.36%
Net Earnings	-$120.1M	$235.7M
YoY Change	-186.03%	-51.61%
Net Earnings / Revenue	-12.83%	6.28%
Basic Earnings Per Share		$1.52
Diluted Earnings Per Share	-$784.2K	$1.513M
COMMON SHARES
Basic Shares Outstanding		154.8M shares
Diluted Shares Outstanding		155.8M shares

Balance Sheet

Concept	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$481.8M	$481.8M
YoY Change	-23.69%	-23.69%
Cash & Equivalents	$391.2M	$391.2M
Short-Term Investments	$90.60M	$90.60M
Other Short-Term Assets	$54.30M	$54.30M
YoY Change	38.87%	38.87%
Inventory	$516.4M	$516.4M
Prepaid Expenses
Receivables	$581.2M	$581.2M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$1.634B	$1.634B
YoY Change	-6.78%	-6.78%
LONG-TERM ASSETS
Property, Plant & Equipment	$620.5M	$620.5M
YoY Change	2.27%	-2.93%
Goodwill	$619.7M
YoY Change	-1.29%
Intangibles	$347.9M
YoY Change	-4.63%
Long-Term Investments
YoY Change
Other Assets	$110.5M	$110.5M
YoY Change	22.78%	22.78%
Total Long-Term Assets	$1.699B	$1.699B
YoY Change	-1.35%	-1.35%
TOTAL ASSETS
Total Short-Term Assets	$1.634B	$1.634B
Total Long-Term Assets	$1.699B	$1.699B
Total Assets	$3.332B	$3.332B
YoY Change	-4.09%	-4.09%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$625.8M	$625.8M
YoY Change	-16.1%	-16.1%
Accrued Expenses	$234.8M	$234.8M
YoY Change	29.15%	-20.46%
Deferred Revenue	$85.70M
YoY Change	-44.78%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$10.00M	$10.00M
YoY Change	47.06%	47.06%
Total Short-Term Liabilities	$934.2M	$934.2M
YoY Change	-16.5%	-16.5%
LONG-TERM LIABILITIES
Long-Term Debt	$334.5M	$334.5M
YoY Change	76.15%	76.15%
Other Long-Term Liabilities	$315.9M	$315.9M
YoY Change	59.79%	-5.28%
Total Long-Term Liabilities	$650.4M	$650.4M
YoY Change	67.8%	24.26%
TOTAL LIABILITIES
Total Short-Term Liabilities	$934.2M	$934.2M
Total Long-Term Liabilities	$650.4M	$650.4M
Total Liabilities	$1.585B	$1.585B
YoY Change	-3.51%	-3.51%
SHAREHOLDERS EQUITY
Retained Earnings	$2.885B
YoY Change	2.07%
Common Stock	$555.9M
YoY Change	1.96%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$1.906B
YoY Change	26.76%
Treasury Stock Shares
Shareholders Equity	$1.748B	$1.748B
YoY Change
Total Liabilities & Shareholders Equity	$3.332B	$3.332B
YoY Change	-4.09%	-4.09%

Cashflow Statement

Concept	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	-$120.1M	$235.7M
YoY Change	-186.03%	-51.61%
Depreciation, Depletion And Amortization	$20.40M	$76.90M
YoY Change	2.51%	-1.28%
Cash From Operating Activities	$176.7M	$391.4M
YoY Change	-33.14%	-38.95%
INVESTING ACTIVITIES
Capital Expenditures	-$19.40M	-$70.30M
YoY Change	-34.9%	-6.39%
Acquisitions		$8.000M
YoY Change		-96.15%
Other Investing Activities	-$30.80M	$78.40M
YoY Change	-83.33%	-128.53%
Cash From Investing Activities	-$50.20M	$8.100M
YoY Change	-76.61%	-102.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	-$120.6M	-$404.2M
YoY Change		-210.29%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-110.7M	-430.8M
YoY Change	19.68%	2.33%
NET CHANGE
Cash From Operating Activities	176.7M	391.4M
Cash From Investing Activities	-50.20M	8.100M
Cash From Financing Activities	-110.7M	-430.8M
Net Change In Cash	15.80M	-31.30M
YoY Change	-136.92%	-75.89%
FREE CASH FLOW
Cash From Operating Activities	$176.7M	$391.4M
Capital Expenditures	-$19.40M	-$70.30M
Free Cash Flow	$196.1M	$461.7M
YoY Change	-33.32%	-35.53%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000091142
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
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CY2022Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#AccruedLiabilitiesCurrent
CY2022	aos	Common Stock Voting Rights Allowable Percentage Of Board Of Directors To Elect CommonStockVotingRightsAllowablePercentageOfBoardOfDirectorsToElect	0.3333
CY2022	aos	Common Stock Voting Rights Matters Other Than Election Of Board Of Directors Vote Per Share CommonStockVotingRightsMattersOtherThanElectionOfBoardOfDirectorsVotePerShare	0.1	vote
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	1-475
CY2022	dei	Entity Registrant Name EntityRegistrantName	A. O. Smith Corporation
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	11270 West Park Place
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Milwaukee
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	WI
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	39-0619790
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	53224-9508
CY2022	dei	City Area Code CityAreaCode	414
CY2022	dei	Local Phone Number LocalPhoneNumber	359-4000
CY2022	dei	Security12b Title Security12bTitle	Common Stock (par value $1.00 per share)
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CY2022Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	581200000	usd
CY2022	dei	Trading Symbol TradingSymbol	AOS
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2022	dei	Auditor Location AuditorLocation	Milwaukee, Wisconsin
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CY2022Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	90600000	usd
CY2021Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	634400000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	516400000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	447700000	usd
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CY2021Q4	us-gaap	Assets Current AssetsCurrent	1752600000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	590700000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	606700000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	619700000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	627800000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	347900000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	364800000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	29800000	usd
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CY2022Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	63600000	usd
CY2021Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	70900000	usd
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CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	334500000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	189900000	usd
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CY2021Q4	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	113500000	usd
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CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3474400000	usd
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CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	391400000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	641100000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	562100000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	8000000.0	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	207600000	usd
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	91600000	usd
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	185400000	usd
CY2022	aos	Payments For Proceeds From Stock Options Activity PaymentsForProceedsFromStockOptionsActivity	700000	usd
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	157400000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	178000000.0	usd
CY2021	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	118200000	usd
CY2020	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	226000000.0	usd
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	70300000	usd
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	75100000	usd
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	56800000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	8100000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-349900000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	11800000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	150600000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	83500000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	170800000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	403500000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	366500000	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	56700000	usd
CY2021	aos	Payments For Proceeds From Stock Options Activity PaymentsForProceedsFromStockOptionsActivity	-32100000	usd
CY2020	aos	Payments For Proceeds From Stock Options Activity PaymentsForProceedsFromStockOptionsActivity	-11400000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	177200000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	170100000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	158700000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-430800000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-421000000.0	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-374800000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-20800000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	0	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	0	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-52100000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-129800000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	199100000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	443300000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	573100000	usd
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	142300000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	374000000.0	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	391200000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	443300000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	573100000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1747700000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1832200000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1848300000	usd
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of estimates. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with accounting principles generally accepted in the United States (U.S.) requires management to make estimates and assumptions that affect the amounts reported in the accompanying financial statements and notes. Actual results could differ from those estimates.</span>
CY2022Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	120200000	usd
CY2022Q4	us-gaap	Notes Payable NotesPayable	136500000	usd
CY2021Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	128400000	usd
CY2021Q4	us-gaap	Notes Payable NotesPayable	145900000	usd
CY2022Q4	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.36
CY2021Q4	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.37
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	184400000	usd
CY2022	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	64200000	usd
CY2021	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	81200000	usd
CY2022	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	66100000	usd
CY2021	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	51300000	usd
CY2022	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	usd
CY2021	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	12200000	usd
CY2022Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	182500000	usd
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	184400000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	100400000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	107000000	usd
CY2020	us-gaap	Advertising Expense AdvertisingExpense	97000000	usd
CY2022	aos	Amortization Of Advertising Costs AmortizationOfAdvertisingCosts	17200000	usd
CY2021	aos	Amortization Of Advertising Costs AmortizationOfAdvertisingCosts	25200000	usd
CY2020	aos	Amortization Of Advertising Costs AmortizationOfAdvertisingCosts	27000000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	89000000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	94200000	usd
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	80700000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1100000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5600000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	4200000	usd
CY2022	aos	Minimum Percentage Of Amount Likely To Be Realized Upon Ultimate Settlement To Recognize Tax Benefits MinimumPercentageOfAmountLikelyToBeRealizedUponUltimateSettlementToRecognizeTaxBenefits	0.50
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154786327	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	159906834	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	161530589	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	993037	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1413068	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1073560	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155779364	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	161319902	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	162604149	shares
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	85700000	usd
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	155200000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	9500000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	9500000	usd
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3753900000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3538900000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2895300000	usd
CY2022	aos	Lessee Operating Lease Termination Period LesseeOperatingLeaseTerminationPeriod	P1Y
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	9900000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	11700000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	22400000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	22300000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	32300000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	34000000.0	usd
CY2022Q4	aos	Rent Incentives And Deferrals RentIncentivesAndDeferrals	2500000	usd
CY2021Q4	aos	Rent Incentives And Deferrals RentIncentivesAndDeferrals	1500000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3200000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	29800000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	32500000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y4M24D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0321
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2100000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	3100000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2500000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	2300000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	10600000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	7900000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5300000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1700000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	7500000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	36200000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3900000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	32300000	usd
CY2020	us-gaap	Restructuring Charges RestructuringCharges	7700000	usd
CY2020	us-gaap	Severance Costs1 SeveranceCosts1	6800000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-42500000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	25500000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-4500000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	82800000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	109500000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2900000	usd
CY2022	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	9100000	usd
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-4900000	usd
CY2020	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-4700000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-89400000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	142900000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	85600000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-46500000	usd
CY2021	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	56300000	usd
CY2020	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	29300000	usd
CY2022	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-8800000	usd
CY2021	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	21700000	usd
CY2020	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	3400000	usd
CY2022	us-gaap	Increase Decrease In Other Current Assets And Liabilities Net IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet	194100000	usd
CY2021	us-gaap	Increase Decrease In Other Current Assets And Liabilities Net IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet	-90800000	usd
CY2020	us-gaap	Increase Decrease In Other Current Assets And Liabilities Net IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet	-130400000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	9300000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	4200000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	7600000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	481800000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	631400000	usd
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	174400000	usd
CY2021Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	190200000	usd
CY2022Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	42100000	usd
CY2021Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	42000000.0	usd
CY2022Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	349200000	usd
CY2021Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	286300000	usd
CY2022Q4	us-gaap	Inventory Gross InventoryGross	565700000	usd
CY2021Q4	us-gaap	Inventory Gross InventoryGross	518500000	usd
CY2022Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	49300000	usd
CY2021Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	70800000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	516400000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	447700000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1364800000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1343200000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	774100000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	736500000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	590700000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	606700000	usd
CY2020Q4	us-gaap	Goodwill Goodwill	546800000	usd
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-1500000	usd
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	82500000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	627800000	usd
CY2022	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-8100000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	619700000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	292300000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	167700000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	124600000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	292000000.0	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	154500000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	137500000	usd
CY2022Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	515600000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	167700000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	347900000	usd
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	519300000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	154500000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	364800000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	12800000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	12300000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14500000	usd
CY2022	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P12Y
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	usd
CY2020	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	usd
CY2021	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	28500000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	344500000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	196700000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	10000000.0	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	6800000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	334500000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	189900000	usd
CY2022Q4	aos	Long Term Debt Fixed Interest Payment LongTermDebtFixedInterestPayment	19500000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	10000000.0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	10000000.0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	10000000.0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	236500000	usd
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	3000000	shares
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2022	aos	Common Stock Conversion Basis Ratio CommonStockConversionBasisRatio	1
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.14
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.06
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2022Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	3500000	shares
CY2022	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	6647895	shares
CY2022	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	60.70
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	403500000	usd
CY2022Q4	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	378462	shares
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	5087467	shares
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	366500000	usd
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1348391	shares
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	56700000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11100000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11900000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	12700000	usd
CY2022	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	5500000	usd
CY2021	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	5100000	usd
CY2020	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	6200000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2252498	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	47.73
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2785654	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	43.01
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2728350	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	37.64
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	322460	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	74.11
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	368780	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	60.85
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	798970	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.17
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	42.50
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	66697	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	39.77
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	889345	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	38.35
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	662215	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	19.59
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	26655	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	61.46
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	12591	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	49.18
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	79451	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	48.98
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2481606	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	51.22
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2252498	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	47.73
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2785654	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	43.01
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1675552	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	46.88
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1191795	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	45.71
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1529464	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	40.35
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1600000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	31000000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	21300000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	22600000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P7Y
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	18900000	usd
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	1060703	shares
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	49.99
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	322460	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	74.11
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	559150	shares
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	48.73
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	17959	shares
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	61.83
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	806054	shares
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	60.26
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	17.57
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.03
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y8M12D
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y9M18D
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y8M12D
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.019
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.012
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.015
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.015
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.016
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.021
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.268
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.274
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.237
CY2022	aos	Percentage Match Of First One Percent Of Contributions Made By Participating Employees PercentageMatchOfFirstOnePercentOfContributionsMadeByParticipatingEmployees	1
CY2022	aos	Percentage Match Of Next Five Percent Of Contributions Made By Participating Employees PercentageMatchOfNextFivePercentOfContributionsMadeByParticipatingEmployees	0.50
CY2022	aos	Postretirement Medical Benefits Qualifying Age PostretirementMedicalBenefitsQualifyingAge	P65Y
CY2021	aos	Liability Defined Benefit Plan Percentage Of Total LiabilityDefinedBenefitPlanPercentageOfTotal	0.95
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-284100000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	13600000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0700
CY2021Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.0500
CY2022Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2021Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	44900000	usd
CY2022Q4	aos	Defined Benefit Plan Fair Value Of Non Investment Plan Assets DefinedBenefitPlanFairValueOfNonInvestmentPlanAssets	300000	usd
CY2022Q4	aos	Defined Benefit Plan Fair Value Of Plan Assets Including Noninvestment Plan Assets DefinedBenefitPlanFairValueOfPlanAssetsIncludingNoninvestmentPlanAssets	45200000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	822400000	usd
CY2021Q4	aos	Defined Benefit Plan Fair Value Of Non Investment Plan Assets DefinedBenefitPlanFairValueOfNonInvestmentPlanAssets	3500000	usd
CY2021Q4	aos	Defined Benefit Plan Fair Value Of Plan Assets Including Noninvestment Plan Assets DefinedBenefitPlanFairValueOfPlanAssetsIncludingNoninvestmentPlanAssets	825900000	usd
CY2021	us-gaap	Defined Benefit Plan Actual Return On Plan Assets Still Held DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	3800000	usd
CY2021	us-gaap	Defined Benefit Plan Actual Return On Plan Assets Sold During Period DefinedBenefitPlanActualReturnOnPlanAssetsSoldDuringPeriod	5200000	usd
CY2021	us-gaap	Defined Benefit Plan Purchases Sales And Settlements DefinedBenefitPlanPurchasesSalesAndSettlements	-88600000	usd
CY2022	us-gaap	Defined Benefit Plan Actual Return On Plan Assets Still Held DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	-2800000	usd
CY2022	us-gaap	Defined Benefit Plan Actual Return On Plan Assets Sold During Period DefinedBenefitPlanActualReturnOnPlanAssetsSoldDuringPeriod	-200000	usd
CY2022	us-gaap	Defined Benefit Plan Purchases Sales And Settlements DefinedBenefitPlanPurchasesSalesAndSettlements	100000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	101800000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	92200000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	67100000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	26600000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	22400000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	17400000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	30500000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	29500000	usd
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	25800000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-136900000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3200000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5600000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-34100000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-600000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2300000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	100000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1800000	usd
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-19200000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-12000000.0	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	138500000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	99000000.0	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.027
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.028
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.035
CY2022	aos	Effective Income Tax Rate Reconciliation Pension Plan Settlement Percent EffectiveIncomeTaxRateReconciliationPensionPlanSettlementPercent	-0.295
CY2021	aos	Effective Income Tax Rate Reconciliation Pension Plan Settlement Percent EffectiveIncomeTaxRateReconciliationPensionPlanSettlementPercent	0
CY2020	aos	Effective Income Tax Rate Reconciliation Pension Plan Settlement Percent EffectiveIncomeTaxRateReconciliationPensionPlanSettlementPercent	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.010
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.004
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.005
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.005
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.009
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.009
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.030
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.005
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.004
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.054
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.221
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.223
CY2022	aos	Pension Settlement Non Cash Taxes Tax Effect On Pretax Expense PensionSettlementNonCashTaxesTaxEffectOnPretaxExpense	101900000	usd
CY2022	aos	Pension Settlement Non Cash Taxes Release Of Stranded Tax Effects PensionSettlementNonCashTaxesReleaseOfStrandedTaxEffects	65800000	usd
CY2022	aos	Effective Income Tax Rate Reconciliation Pension Plan Settlement Percent EffectiveIncomeTaxRateReconciliationPensionPlanSettlementPercent	-0.295
CY2022Q4	aos	Undistributed Earnings Of Foreign Subsidiaries Including Temporarily And Permanently Reinvested UndistributedEarningsOfForeignSubsidiariesIncludingTemporarilyAndPermanentlyReinvested	647700000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	5300000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	63900000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	479000000.0	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	407300000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	159800000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	146600000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	36600000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	223700000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	625600000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	443900000	usd
CY2022	aos	Pension Settlement Non Cash Taxes Tax Effect On Pretax Expense PensionSettlementNonCashTaxesTaxEffectOnPretaxExpense	101900000	usd
CY2022	aos	Pension Settlement Non Cash Taxes Release Of Stranded Tax Effects PensionSettlementNonCashTaxesReleaseOfStrandedTaxEffects	65800000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	175400000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	131200000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	114100000	usd
CY2022Q4	aos	Undistributed Earnings Of Foreign Subsidiaries Not Permanently Reinvested UndistributedEarningsOfForeignSubsidiariesNotPermanentlyReinvested	173000000	usd
CY2022Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	474700000	usd
CY2022Q4	aos	Percentage Of Federal Income Tax Liability Offset By Dividend Received Deduction PercentageOfFederalIncomeTaxLiabilityOffsetByDividendReceivedDeduction	1
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	13900000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	22600000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Warranty Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves	50700000	usd
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CY2021Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	7600000	usd
CY2022Q4	aos	Deferred Tax Assets Accounts Receivable DeferredTaxAssetsAccountsReceivable	14600000	usd
CY2021Q4	aos	Deferred Tax Assets Accounts Receivable DeferredTaxAssetsAccountsReceivable	18300000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	51500000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	46600000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	66200000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	85200000	usd
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CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	7100000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	98000000.0	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	123000000.0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	117200000	usd
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CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	25000000.0	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	21100000	usd
CY2021Q4	aos	Net Operating Losses And Tax Credits NetOperatingLossesAndTaxCredits	8900000	usd
CY2020Q4	aos	Net Operating Losses And Tax Credits NetOperatingLossesAndTaxCredits	20300000	usd
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CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	13000000.0	usd
CY2022	aos	Net Operating Losses And Tax Credits Increase Decrease Amount NetOperatingLossesAndTaxCreditsIncreaseDecreaseAmount	1200000	usd
CY2021	aos	Net Operating Losses And Tax Credits Increase Decrease Amount NetOperatingLossesAndTaxCreditsIncreaseDecreaseAmount	-11400000	usd
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1200000	usd
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-5900000	usd
CY2022Q4	aos	Net Operating Losses And Tax Credits NetOperatingLossesAndTaxCredits	10100000	usd
CY2021Q4	aos	Net Operating Losses And Tax Credits NetOperatingLossesAndTaxCredits	8900000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	8300000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	7100000	usd
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	56800000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	14300000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9000000.0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	700000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	5300000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	15000000.0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	14300000	usd
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CY2021	aos	Maximum Aggregate Product Liability Insurance Coverage MaximumAggregateProductLiabilityInsuranceCoverage	125000000	usd
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CY2022Q4	us-gaap	Purchase Obligation PurchaseObligation	211400000	usd
CY2022Q4	aos	Distributor Rebate Accruals DistributorRebateAccruals	1100000	usd
CY2021Q4	aos	Distributor Rebate Accruals DistributorRebateAccruals	3900000	usd
CY2022Q3	us-gaap	Proceeds From Legal Settlements ProceedsFromLegalSettlements	11500000	usd
CY2022Q3	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	11500000	usd
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CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
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CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	362000000.0	usd
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CY2021	us-gaap	Interest Expense InterestExpense	4300000	usd
CY2020	us-gaap	Interest Expense InterestExpense	7300000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	223700000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	625600000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	443900000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-12000000.0	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	138500000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	99000000.0	usd
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CY2020	us-gaap	Net Income Loss NetIncomeLoss	344900000	usd
CY2022	aos	Pension Settlement Non Cash Taxes PensionSettlementNonCashTaxes	167700000	usd
CY2022Q4	us-gaap	Assets Assets	3332300000	usd
CY2021Q4	us-gaap	Assets Assets	3474400000	usd
CY2020Q4	us-gaap	Assets Assets	3160700000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	76900000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	77900000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	80000000.0	usd
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CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	75100000	usd
CY2022Q4	us-gaap	Noncurrent Assets NoncurrentAssets	731000000.0	usd
CY2021Q4	us-gaap	Noncurrent Assets NoncurrentAssets	729200000	usd
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	672000000.0	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3753900000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3538900000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2895300000	usd
CY2022	dei	Auditor Firm AuditorFirmId	42

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2022 Q4 Form 10-K Financial Statement

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$AOS A O Smith Corp Stock $aos

2022 Q4 Form 10-K Financial Statement

#000009114223000025 Filed on February 14, 2023

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Files In Submission

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A O Smith Corp Stock $aos